meson: split headers one per line

Fixes: 93df862b6affb6b8507e ("meson: re-add incorrect pkg-config files with GLVND for backward compatibility")
Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Dylan Baker <dylan@pnwbakers.com>
diff --git a/include/meson.build b/include/meson.build
index d9b8df6..082d8d6 100644
--- a/include/meson.build
+++ b/include/meson.build
@@ -28,18 +28,26 @@
 
 if with_gles1
   install_headers(
-    'GLES/egl.h', 'GLES/gl.h', 'GLES/glext.h', 'GLES/glplatform.h',
+    'GLES/egl.h',
+    'GLES/gl.h',
+    'GLES/glext.h',
+    'GLES/glplatform.h',
     subdir : 'GLES',
   )
 endif
 
 if with_gles2
   install_headers(
-    'GLES2/gl2.h', 'GLES2/gl2ext.h', 'GLES2/gl2platform.h',
+    'GLES2/gl2.h',
+    'GLES2/gl2ext.h',
+    'GLES2/gl2platform.h',
     subdir : 'GLES2',
   )
   install_headers(
-    'GLES3/gl3.h', 'GLES3/gl31.h', 'GLES3/gl32.h', 'GLES3/gl3ext.h',
+    'GLES3/gl3.h',
+    'GLES3/gl31.h',
+    'GLES3/gl32.h',
+    'GLES3/gl3ext.h',
     'GLES3/gl3platform.h',
     subdir : 'GLES3',
   )
@@ -47,19 +55,27 @@
 
 if with_opengl
   install_headers(
-    'GL/gl.h', 'GL/glext.h', 'GL/glcorearb.h',
+    'GL/gl.h',
+    'GL/glcorearb.h',
+    'GL/glext.h',
     subdir : 'GL',
   )
 endif
 
 if with_glx != 'disabled'
-  install_headers('GL/glx.h', 'GL/glxext.h', subdir : 'GL')
+  install_headers(
+    'GL/glx.h',
+    'GL/glxext.h',
+    subdir : 'GL')
 endif
 
 if with_egl
   install_headers(
-    'EGL/eglext.h', 'EGL/egl.h', 'EGL/eglextchromium.h', 'EGL/eglmesaext.h',
+    'EGL/egl.h',
+    'EGL/eglext.h',
     'EGL/eglplatform.h',
+    'EGL/eglmesaext.h',
+    'EGL/eglextchromium.h',
     subdir : 'EGL',
   )
 endif